This vulnerability is a double free condition in the Windows Projected File System component of Windows 10 Version 1809 (build 10.0.17763.0). Exploitation requires local access with some privileges and can result in elevation of privileges, allowing the attacker to gain higher system rights. The CVSS v3.1 base score is 7.8, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.

Successful exploitation of this double free vulnerability can lead to local privilege escalation, enabling an attacker with authorized local access to gain elevated privileges on the affected system. This compromises system confidentiality, integrity, and availability.

An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1809 (build 10.0.17763.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32074 for detailed patch information and update instructions.